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Pesticide Residue Behavior and Risk Assessment in Celery after Se Nanoparticles Application

文献类型： 外文期刊

作者： Kang, Lu 1 ; Liu, Hejiang 2 ; Zhao, Duoyong 2 ; Pan, Canping 1 ; Wang, Cheng 2 ;

作者机构： 1.China Agr Univ, Coll Sci, Innovat Ctr Pesticide Res, Dept Appl Chem, Beijing 100193, Peoples R China

2.Xinjiang Acad Agr Sci, Inst Agr Qual Stand & Testing Technol, Key Lab Agroprod Qual & Safety Xinjiang, Urumqi 830091, Peoples R China

关键词： residue behavior; dissipation; celery; risk assessment; pesticides

期刊名称：FOODS （ 影响因子：4.35； 五年影响因子：4.957 ）

ISSN：

年卷期： 2021 年 10 卷 9 期

页码：

收录情况： SCI

摘要： This study investigates pesticide levels in celery, and compares their degradation, dissipation, distribution, and dietary risk after spraying with selenium (Se) nanoparticles. Abamectin, imidacloprid, acetamiprid, thiamethoxam, and lambda-cyhalothrin were sprayed at 1.6, 6.8, 2.0, 1.0, and 0.7 g a.i. ha(-1) followed by a 2 g.ha(-1) Se nanoparticle application during the growing period. Thiamethoxam, abamectin, imidacloprid, lambda-cyhalothrin, and acetamiprid in celery degraded following a first order kinetic model after 2 g.ha(-1) Se nanoparticles application. With the exception of acetamiprid, the half-lives of thiamethoxam, abamectin, imidacloprid, and lambda-cyhalothrin were reduced from 2.4, 0.5, 1.2, 4.2 days without Se nanoparticles application to 1.4, 0.2, 0.9, 3.7 days with the addition of Se nanoparticles (2 g.ha(-1)), respectively. The chronic dietary exposure risk probability (RQc) and the acute dietary exposure risk probability (RQa) of celery after Se nanoparticles application were within acceptable limits for consumption except for abamectin.

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